3949527 has 4 divisors (see below), whose sum is σ = 5266040. Its totient is φ = 2633016.

The previous prime is 3949501. The next prime is 3949529. The reversal of 3949527 is 7259493.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3949527 - 2⁸ = 3949271 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658252 + ... + 658257.

It is an arithmetic number, because the mean of its divisors is an integer number (1316510).

Almost surely, 2^3949527 is an apocalyptic number.

3949527 is a deficient number, since it is larger than the sum of its proper divisors (1316513).

3949527 is a wasteful number, since it uses less digits than its factorization.

3949527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316512.

The product of its digits is 68040, while the sum is 39.

The square root of 3949527 is about 1987.3416918084. The cubic root of 3949527 is about 158.0696029394.

The spelling of 3949527 in words is "three million, nine hundred forty-nine thousand, five hundred twenty-seven".